Festivities of invierno de Los Fayos Activity · Los Fayos, Tarazona y el Moncayo, Zaragoza Image of Los Fayos, not of the place itself. Los Fayos's winter festival is held in a village wedged beneath a rocky bluff at the confluence of the Val and Queiles rivers, beside the Val reservoir, completed in 1996, and the 17th-century palace of the dukes of Villahermosa. Photo: Miguel Ángel García. from Ólvega., España (CC BY 2.0) What to see and do in Los Fayos